ZyXEL Communications NBG-416N User Manual page 106

Chapter 11 Network Address Translation (NAT)
Refer to
services.
Figure 62 Network > NAT > Application
The following table describes the labels in this screen.
Table 42 Network > NAT > Application
LABEL
Add Application Rule
Active
Service Name
Local Port
Range
Public Port
Range
Server IP
Address
Apply
106
Appendix E on page 205
DESCRIPTION
Select the check box to enable this rule and the requested service can
be forwarded to the host with a specified internal IP address.
Clear the checkbox to disallow forwarding of these ports to an inside
server without having to delete the entry.
Type a name (of up to 31 printable characters) to identify this rule in
the first field next to Service Name. Otherwise, select a predefined
service in the second field next to Service Name. The predefined
service name and port number(s) will display in the Service Name and
Port fields.
Type a port number(s) to be forwarded.
To specify a range of ports, enter a hyphen (-) between the first port
and the last port, such as 10-20.
To specify two or more non-consecutive port numbers, separate them
by a comma without spaces, such as 123,567.
Type the inside IP address of the server that receives packets from the
port(s) specified in the Port field.
Click Apply to save your changes to the Application Rules Summary
table.
for port numbers commonly used for particular
NBG-416N User's Guide